用所给词汇的适当形式填空。（共10小题，每小题1分）
Susan's parents were ___________ (disappoint) when they knew Susan failed the exam.
If I forget my father's birthday, please ___________ (remind) me.
"Don't cry, baby!" the father said ___________ (gentle) to the girl.
You went in the wrong ___________ (direct), sir.
I am afraid that you are ___________ (cheat) by the little boy.
Mr Smith got a good ___________ (educate) when he was young.
I plan to give a ___________ (surprised) to my son on his thirteenth birthday party.
The kindergarten teacher ___________ (clap) to attract the children's attention.               
The population of his hometown has greatly __________ (increase).
I want you both to be on your best ___________ (behave) at Grandma's.